Effect of 3-amino-1-propanol on the phosphatidylinositol (PI) and glycosyl phosphatidylinositol (GPI) systems of Tetrahymena

P. Kovács, L. Kõhidai, G. Csaba

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3-Amino-1-propanol (AP), a substance replacing ethanolamine in phosphatidylethanolamine (PE) significantly reduced 32P incorporation to phosphatidylinositol (PI) and glycosyl-phosphatidylinositol (GPI) in the unicellular organism Tetrahymena pyriformis. At 10 mM, AP completely inhibited the incorporation of 32P into PI. 3H-arachidonate incorporation into PI was also inhibited, while that into diacylglycerol (DAG) was high. The experiments indicate the presence and metabolism of inositol phospholipids and GPI in T. pyriformis.

Original languageEnglish
Pages (from-to)83-87
Number of pages5
JournalComparative Biochemistry and Physiology - C Pharmacology Toxicology and Endocrinology
Issue number1
Publication statusPublished - Sep 1 1997



  • GPI
  • PI
  • Phosphoinositol metabolism
  • Signaling
  • Tetrahymena

ASJC Scopus subject areas

  • Immunology
  • Pharmacology

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